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https://www.readbyqxmd.com/read/28641055/long-term-safety-evaluation-of-natalizumab-for-the-treatment-of-multiple-sclerosis
#1
Marinella Clerico, Carlo Alberto Artusi, Alessandra Di Liberto, Simona Rolla, Valentina Bardina, Pierangelo Barbero, Stefania Federica De Mercanti, Luca Durelli
Introduction Natalizumab is a humanized monoclonal antibody highly effective in relapsing-remitting multiple sclerosis (MS). Important concerns about its safety have been pointed out because of the risk of progressive multifocal leukoencephalopathy (PML), caused by the opportunistic John-Cunningham virus (JCV). Areas covered This review analyzes all the safety aspects related to the use of natalizumab in MS patients. Fatigue and allergic reactions are not-severe adverse events (AEs) occurring more frequently than placebo and no differences in serious AEs (SAE) have been observed comparing to interferon-β1a during clinical trials...
June 22, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28627738/systematic-review-on-the-proteomic-profile-of-mycobacterium-tuberculosis-exposed-to-drugs
#2
REVIEW
Paula Aline Zanetti Campanerut-Sá, Luciana Dias Ghiraldi-Lopes, Jean Eduardo Meneguello, Jorge Juarez Vieira Teixeira, Regiane Bertin de Lima Scodro, Vera Lucia Dias Siqueira, Terezinha Inez Estivalet Svidzinski, Fernando Rogério Pavan, Rosilene Fressatti Cardoso
We present an over view about proteomics studies in Mycobacterium tuberculosis exposed to some anti-tuberculosis drugs and new candidates, using two-dimensional gel electrophoresis and mass spectrometry. To date, that we have knowledge, this is the first studies that was performed specifically in M. tuberculosis using systematic review on electronic literature conducted in three databases using the following search terms: tuberculosis OR mycobacterium tuberculosis, proteome OR proteomics, and mass spectrometry electrospray ionization OR matrix assisted laser desorption ionization OR two dimensional gel electrophoresis...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28623000/medical-ozone-promotes-nrf2-phosphorylation-reducing-oxidative-stress-and-pro-inflammatory-cytokines-in-multiple-sclerosis-patients
#3
Livan Delgado-Roche, Mario Riera-Romo, Fernando Mesta, Yanet Hernández-Matos, Juan M Barrios, Gregorio Martínez-Sánchez, Said M Al-Dalaien
Oxidative stress and inflammation play key roles in the pathogenesis of Multiple sclerosis (MS). Different drugs have been used in the clinical practice, however, there is not a completely effective treatment. Due to its potential therapeutic action, medical ozone represents a promising approach for neurodegenerative disorders. The aim of the present study was to address the role of ozone therapy on the cellular redox state in MS patients. Ozone (20μg/ml) was administered three times per week during a month by rectal insufflation...
June 13, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28622785/comprehensive-long-non-coding-rna-expression-profiling-reveals-their-potential-roles-in-systemic-lupus-erythematosus
#4
Lian-Ju Li, Wei Zhao, Sha-Sha Tao, Jun Li, Shu-Zhen Xu, Jie-Bing Wang, Rui-Xue Leng, Yin-Guang Fan, Hai-Feng Pan, Dong-Qing Ye
Long non-coding RNAs can regulate gene transcription, modulate protein function, and act as competing endogenous RNA. Yet, their roles in systemic lupus erythematosus remain to be elucidated. We determined the expression profiles of lncRNAs in T cells of SLE patients and healthy controls using microarrays. Up to 1935 lncRNAs and 1977 mRNAs were differentially expressed. QRT-PCR showed downregulated uc001ykl.1 and ENST00000448942 in SLE patients. Expression of uc001ykl.1 correlated with erythrocyte sedimentation rate (ESR) and C-reactive protein, whereas ENST00000448942 level correlated with ESR and anti-Sm antibodies...
June 10, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28620346/primary-progressive-multiple-sclerosis-putting-together-the-puzzle
#5
REVIEW
Ahmed Abdelhak, Martin S Weber, Hayrettin Tumani
The focus of multiple sclerosis research has recently turned to the relatively rare and clearly more challenging condition of primary progressive multiple sclerosis (PPMS). Many risk factors such as genetic susceptibility, age, and Epstein-Barr virus (EBV) infection may interdepend on various levels, causing a complex pathophysiological cascade. Variable pathological mechanisms drive disease progression, including inflammation-associated axonal loss, continuous activation of central nervous system resident cells, such as astrocytes and microglia as well as mitochondrial dysfunction and iron accumulation...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28619434/terminalia-chebula-attenuates-quinolinate-induced-oxidative-pc12-and-oln-93-cell-death
#6
Hamid R Sadeghnia, Roya Jamshidi, Amir R Afshari, Hamid Mollazadeh, Fatemeh Forouzanfar, Hasan Rakhshandeh
BACKGROUND: Quinolinic acid (QA) is a product of tryptophan degradation and its pathologic accumulation has been found to induce neuroinflammatory and demyelinating diseases such as multiple sclerosis via excessive free radicals generation. Recent studies showed that Terminalia chebula has several pharmacological effects such as antioxidant, anti-inflammatory and neuroprotective properties. The aim of this study was evaluation of the protective effect of T. chebula alcoholic extract (TCAE) on oxidative PC12 and OLN-93 cells death induced by QA...
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28619423/acute-respiratory-distress-syndrome-following-alemtuzumab-therapy-for-relapsing-multiple-sclerosis
#7
Keh Yann, Fran Jackson, Nazar Sharaf, Tatiana Mihalova, Paul Talbot, David Rog, Adrian Pace
We present the case of a 54 year old woman with known relapsing-remitting multiple sclerosis who presented with acute respiratory deterioration five weeks after a first course of alemtuzumab. Imaging showed bilateral ground glass changes and extensive investigations confirmed chest infection with dual pathogens - Pneumocystis jirovecii and Cytomegalovirus. She responded to standard anti-PJP and CMV therapy and was discharged on oral prophylaxis. Opportunistic infections in the weeks immediately following alemtuzumab therapy remain an uncommon complication but one that requires clinical vigilance, careful monitoring and appropriate prophylactic therapy...
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28617991/interferon-%C3%AE-regulates-the-production-of-il-10-by-toll-like-receptor-activated-microglia
#8
Diogo Lobo-Silva, Guilhermina M Carriche, A Gil Castro, Susana Roque, Margarida Saraiva
Pattern recognition receptors, such as toll-like receptors (TLRs), perceive tissue alterations and initiate local innate immune responses. Microglia, the resident macrophages of the brain, encode TLRs which primary role is to protect the tissue integrity. However, deregulated activation of TLRs in microglia may lead to chronic neurodegeneration. This double role of microglial responses is often reported in immune-driven neurologic diseases, as in multiple sclerosis (MS). Consequently, strategies to manipulate microglia inflammatory responses may help to ameliorate disease progression...
June 15, 2017: Glia
https://www.readbyqxmd.com/read/28616406/new-endoscopic-approach-of-anti-fibrotic-therapy-for-inflammatory-bowel-disease
#9
REVIEW
Kenji Suzuki, Hiroyuki Yoneyama
Fibrosis continues to be paid a great attention in not only basic research but also clinical practice, especially for the development of novel therapeutics in various fibrotic diseases. However, there remain several obstacles to translation in developing anti-fibrosis therapy. The present review documents our translational practice from target discovery to first-in-patient studies in the development of anti-fibrosis therapy for inflammatory bowel disease (IBD). First topic is a target selection. We have focused on the target that has an ability to regulate multifactorial cascades of fibrosis...
April 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28608614/solanum-muricatum-promotes-osteogenic-differentiation-of-rat-bone-marrow-stromal-cells
#10
Nan Wang, Feng Wang, Youshui Gao, Zubin Zhou, Wei Liu, Chenhao Pan, Peipei Yin, Mingjie Tang, Xiaowei Yu
Solanum muricatum (SM), also known as pepino, is known for its antioxidative and anti-inflammatory effects. The aim of this study was to evaluate the effects of SM extract in promoting osteogenic differentiation and regulating the Wnt and bone morphogenetic protein (BMP) signaling pathways. Ingredients of pepino were extracted and identified. SM extracts were used to treat rat bone marrow stromal cells (BMSCs), followed by evaluating alkaline phosphatase activities and mineralization levels. The mRNA levels of osteogenic biomarkers, including OPN and Collagen I, were also evaluated with real-time polymerase chain reaction...
June 13, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28606081/isolation-of-anti-mycobacterial-compounds-from-curtisia-dentata-burm-f-c-a-sm-curtisiaceae
#11
Victor O Fadipe, Nkoana I Mongalo, Andy R Opoku, Preachers M Dikhoba, Tshepiso J Makhafola
BACKGROUND: Tuberculosis is counted amongst the most infectious and lethal illnesses worldwide and remains one of the major threats to human health. The aim of the current study was to isolate and characterize anti-mycobacterial compounds present in Curtisia dentata (Burm.f.) C.A.Sm , a medicinal plant reportedly used in the treatment of tuberculosis, stomach ailments and sexually transmitted infections. METHODS: The bioassay guided principle was followed to isolate the anti-mycobacterial compounds...
June 12, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28605141/anti-ena-antibody-profiles-in-patients-with-hepatitis-c-virus-infection
#12
Christine M Litwin, Angela R Rourk
BACKGROUND: The presence of antinuclear antibodies (ANA) has been described following hepatitis C virus (HCV). Very few studies have investigated the presence of anti-extractable nuclear antigens (ENA) in HCV infection. METHODS: The aim of this study was to assess the prevalence of ENA antibodies in 100 patients with HCV infection compared to the prevalence of ENA antibodies in 100 healthy control patients. Sera from patients were tested for ENA using a multiplex microbead immunoassay...
June 12, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28603462/immune-response-to-seasonal-influenza-vaccine-in-patients-with-relapsing-remitting-multiple-sclerosis-receiving-long-term-daclizumab-beta-a-prospective-open-label-single-arm-study
#13
Lahar Mehta, Kimberly Umans, Gulden Ozen, Randy R Robinson, Jacob Elkins
BACKGROUND: For patients with relapsing-remitting multiple sclerosis (RRMS) undergoing continuous immunomodulatory therapy, understanding whether vaccinations can be performed safely and effectively is important. We tested the immune response to inactivated seasonal influenza vaccine during long-term daclizumab beta treatment. METHODS: In this prospective, open-label, single-arm extension SELECTED study, an optional vaccine substudy was performed on patients with RRMS who had already received daclizumab beta for 1 to 2 years in previous studies...
May 2017: International Journal of MS Care
https://www.readbyqxmd.com/read/28601287/cd4-cd8-ratio-during-natalizumab-treatment-in-multiple-sclerosis-patients
#14
Antonio Carotenuto, Giulia Scalia, Francesco Ausiello, Marcello Moccia, Cinzia Valeria Russo, Francesco Saccà, Anna De Rosa, Chiara Criscuolo, Luigi Del Vecchio, Vincenzo Brescia Morra, Roberta Lanzillo
Although improved, the risk of progressive multifocal leukoencephalopathy is a constant threat for patient affected by multiple sclerosis treated with natalizumab. We performed a 24months longitudinal study aimed to evaluate the total WBC and lymphocytes subsets modifications and their correlations with anti-JCV antibody index after 1 and 2years of natalizumab treatment. Natalizumab induced an increase of WBC, total and C19+ lymphocytes together with a decrease of CD3+, CD4+ T lymphocytes and CD4/CD8 ratio, which was positively related to anti-JCV antibodies index at month 0, 12 and 24...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28601285/cytomegalovirus-and-varicella-zoster-virus-seropositivity-of-iranian-patients-with-multiple-sclerosis-a-population-based-study
#15
Sajad Karampoor, Hamid Zahednasab, Sreeram Ramagopalan, Masoud Mehrpour, Masoud Etemadifar, Fereshteh Alsahebfosoul, Hossein Keyvani
Multiple Sclerosis is a demyelinating disease of the central nervous system (CNS) affecting young individuals with age range of 20-40years of age. The precise mechanism underlying the disease is still unclear. Some viruses have been proposed to play roles in disease causation. In this study, we recruited 800 MS patients along with 1000 healthy individuals to determine the seropositivity of anti-CMV and anti-VZV IgG titers using enzyme-linked immunosorbent assay (ELISA). Our results showed significant higher titers of anti-CMV and anti-VZV IgG titers in serum of MS patients with respect to healthy individuals (for both p<0...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28601278/laquinimod-has-no-effects-on-brain-volume-or-cellular-cns-composition-in-the-f1-3xtg-ad-c3h-mouse-model-of-alzheimer-s-disease
#16
Rehana Z Hussain, William A Miller-Little, Doris Lambracht-Washington, Tom C Jaramillo, Masaya Takahashi, Shanrong Zhang, Min Fu, Gary R Cutter, Liat Hayardeny, Craig M Powell, Roger N Rosenberg, Olaf Stüve
BACKGROUND: Laquinimod is an anti-inflammatory agent with good central nervous system (CNS) bioavailability, and neuroprotective and myelorestorative properties. A clinical trial in patients with multiple sclerosis demonstrated that laquinimod significantly reduced loss of brain volume. The cellular substrate or molecular events underlying that treatment effect are unknown. In this study, we aimed to explore laquinimod's potential effects on brain volume, animal behavior, cellular numbers and composition of CNS-intrinsic cells and mononuclear cells within the CNS, amyloid beta (Aβ) accumulation and tau phosphorylation in the F1 3xTg-AD/C3H mouse model of Alzheimer's disease...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28600752/rapamycin-ameliorates-experimental-autoimmune-encephalomyelitis-by-suppressing-the-mtor-stat3-pathway
#17
Huiqing Hou, Jun Miao, Runjing Cao, Mei Han, Yafei Sun, Xiaoqian Liu, Li Guo
Rapamycin is a new immunosuppressant that has a primarily anti-inflammatory effect and selectively inhibits the activation of T helper (Th)-cell subsets. It is widely used to treat autoimmune disease. We studied the mechanism of rapamycin action against experimental autoimmune encephalomyelitis (EAE) in C57BL/6 mice, a classic animal model of multiple sclerosis. Rapamycin significantly inhibited the development of EAE by decreasing both clinical scores and inflammatory cell infiltration into the spinal cord...
May 30, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28600575/altered-humoral-immunity-to-mycobacterial-antigens-in-japanese-patients-affected-by-inflammatory-demyelinating-diseases-of-the-central-nervous-system
#18
Davide Cossu, Kazumasa Yokoyama, Yuji Tomizawa, Eiichi Momotani, Nobutaka Hattori
Mycobacterium avium subsp. paratuberculosis (MAP) and Mycobacterium bovis (BCG) have been associated to several human autoimmune diseases such as multiple sclerosis (MS), but there are conflicting evidence on the issue. The objective of this study is to evaluate their role in Japanese patients affected by inflammatory demyelinating disorders of the central nervous system (IDDs). A total of 97 IDDs subjects including 51 MS and 46 neuromyelitis optica spectrum disorder (NMOSD) patients, and 34 healthy controls (HCs) were tested for the detection of IgG, IgM and IgA against mycobacterial antigens by indirect ELISA...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28599923/silencing-of-the-rna-binding-protein-hur-attenuates-hyperalgesia-and-motor-disability-in-experimental-autoimmune-encephalomyelitis
#19
Maria Domenica Sanna, Alessandro Quattrone, Nicoletta Galeotti
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system associated with progressive neuronal loss and axonal degeneration. Neuronal lesions and dysfunction lead often to neuropathic pain, the most prevalent and difficult to treat pain syndrome observed in MS patients. Despite its widespread occurrence, the underlying neural mechanisms for MS pain are not fully understood. For a better clarification of the pathophysiology of MS-associated pain, we investigated the role of HuR, an RNA-binding protein that positively regulates the stability of many target mRNAs, including several cytokines...
June 12, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28598502/balanced-bcl-3-expression-in-murine-cd4-t-cells-is-required-for-generation-of-encephalitogenic-th17-cells
#20
Ilgiz A Mufazalov, Janina Kuschmann, David Andruszewski, Joumana Masri, Laureen A Gabriel, Petra Adams, Sonja Reissig, Nadine Hövelmeyer, Ari Waisman
The function of NF-κB family members is controlled by multiple mechanisms including the transcriptional regulator Bcl-3, an atypical member of the IκB family. By using a murine model of conditional Bcl-3 overexpression specifically in T cells, we observed impairment in the development of Th2, Th1 and Th17 cells. High expression of Bcl-3 promoted CD4(+) T-cell survival, but at the same time suppressed proliferation in response to TCR stimulation, resulting in reduced CD4(+) T-cell expansion. As a consequence, T cell specific overexpression of Bcl-3 led to reduced inflammation in the small intestine of mice applied with anti-CD3 in a model of gut inflammation...
June 9, 2017: European Journal of Immunology
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